content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * -------------
   * Pannable.java
   * -------------
   *
   * (C) Copyright 2009, by Object Refinery Limited and Contributors.
   *
   * Original Author:  Ulrich Voigt - patch 2686040;
   * Contributor(s):   David Gilbert (for Object Refinery Limited);
   *
   * Changes
   * -------
   * 19-Mar-2009 : Version 1, with modifications from patch by UV (DG);
   *
   */
  
  package org.jfree.chart.plot;
  
  import java.awt.geom.Point2D;
  
  import org.jfree.chart.ChartPanel;
  
  /**
   * An interface that the {@link ChartPanel} class uses to communicate with
   * plots that support panning.
   *
   * @since 1.0.13
   */
  public interface Pannable {
  
      /**
       * Returns the orientation of the plot.
       *
       * @return The orientation (never <code>null</code>).
       */
      public PlotOrientation getOrientation();
  
      /**
       * Evaluates if the domain axis can be panned.
       *
       * @return <code>true</code> if the domain axis is pannable.
       */
      public boolean isDomainPannable();
  
      /**
       * Evaluates if the range axis can be panned.
       *
       * @return <code>true</code> if the range axis is pannable.
       */
      public boolean isRangePannable();
  
      /**
       * Pans the domain axes by the specified percentage.
       *
       * @param percent  the distance to pan (as a percentage of the axis length).
       * @param info the plot info
       * @param source the source point where the pan action started.
       */
      public void panDomainAxes(double percent, PlotRenderingInfo info,
              Point2D source);
  
      /**
       * Pans the range axes by the specified percentage.
       *
       * @param percent  the distance to pan (as a percentage of the axis length).
       * @param info the plot info
       * @param source the source point where the pan action started.
       */
      public void panRangeAxes(double percent, PlotRenderingInfo info,
              Point2D source);
  
  }
  